Journal
CRYSTENGCOMM
Volume 5, Issue -, Pages 454-458Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b311278k
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We report herein the synthesis and structural characterisation of two coordination polymers: {[Cu(4,4'-bipy)( OAc)(2)].2.5H(2)O}(n) 1 and {[Zn(4,4'-bipy)(OAc)(2)]}(n) 2, which feature dissimilar dimeric metal acetate secondary building units linked through 4,4'-bipyridine to yield 1D molecular ladders. In 1, the ladders connect via (C-H...O) hydrogen bonds to generate 2D sheets, which further link via (C-H...pi) hydrogen bonds to give a 3D supramolecular network. A 3D network in 2 results directly from a combination of (C-H...O) and (C-H...pi) hydrogen bonding. Variable temperature magnetic susceptibility measurements reveal very weak antiferromagnetic coupling between Cu(II) centres across the acetato bridges in 1 (J = -1.18 cm(-1)).
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